A public art jibe at one of the United States’ oldest and longest-serving senators.

The Jewish section of the famous Boothill Graveyard was abandoned for nearly 100 years.

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

An old saloon in the West filled with history, and according to some, a few dozen ghosts.

The first permanent memorial to a unique secret weapon of World War II.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

A suburban museum tells the story of a historic transportation network and even provides rides in antique trolley cars.

Sit where JFK proposed to Jackie or where Nixon dined on meatloaf at this storied pub.

Garments from across the globe call this hidden gem home.

Coins and medals straight from the mint await visitors to this shop in the nation's capital.

The former home of the woman who successfully fought to integrate restaurants in Washington, D.C.

Where you can hail your favorite fictional commanders-in-chief.

This taxidermy horse was a Civil War hero.

This grisly headstone doesn’t seem to be resting in peace.

A small token of gratitude from freezing cold journalists who were given a warm haven while covering JFK's inauguration.

This nine-story building is the oldest standing skyscraper in D.C.

The first memorial dedicated solely to the Black troops who fought for the Union.

A bas relief commemorates the "Nuns of the Battlefield" who cared for soldiers on both sides of the conflict.

When it comes to handsignals (and colonialism) rock always beats scissors.

A heroic pigeon that, through a barrage of gunfire, delivered a message that saved over 100 lives in World War I.

A diminutive plaque recalls the treetop sniper who almost killed Abe Lincoln.

This unacceptably tall building was the real reason for Washington, D.C.'s skyscraper ban.

This poor little statue is the most vandalized memorial in Washington.

Washington's iconic carousel has a nice piece of Civil Rights history.